the connection furthest away from the compesser, somtimes it is colored blue, the low side. The low pressure side is located high on the firewall behind the spark plug connections. Kind of difficult to reach but not too bad.
R134a.
Loose connection or blower motor is bad
r134a
R134a
r134a
r134a
I had a problem with stalling with a 2000 Impala, and it was the oxygen sensor.
Impala HQ .com
2000 chevy impala sterio wireing color codes
All cars manufactured after 1993 were required to use R134a refrigerant.
R134a
R134a